smtp.c: Have function returning char pointer return NULL, not 0.

[nmh] / uip / mhfixmsg.c

diff --git a/uip/mhfixmsg.c b/uip/mhfixmsg.c
index 549cffe984f54b8af0f254f552419bfffd7ffe69..2bbb0453a4e7282c55c34f2ba11819b2948da388 100644 (file)
--- a/uip/mhfixmsg.c
+++ b/uip/mhfixmsg.c
@@ -6,13 +6,18 @@
  */
 
 #include <h/mh.h>
  */
 
 #include <h/mh.h>

+#include <h/fmt_scan.h>

 #include <h/mime.h>
 #include <h/mhparse.h>
 #include <h/utils.h>
 #include <h/signals.h>
 #include <h/mime.h>
 #include <h/mhparse.h>
 #include <h/utils.h>
 #include <h/signals.h>

-#include "../sbr/m_mktemp.h"
+#include "sbr/m_maildir.h"
+#include "sbr/m_mktemp.h"
+#include "sbr/mime_type.h"
+#include "mhmisc.h"

 #include "mhfree.h"
 #include "mhoutsbr.h"
 #include "mhfree.h"
 #include "mhoutsbr.h"

+#include "mhshowsbr.h"

 #include <fcntl.h>
 
 #define MHFIXMSG_SWITCHES \
 #include <fcntl.h>
 
 #define MHFIXMSG_SWITCHES \


@@ -57,16 +62,6 @@ int debugsw; /* Needed by mhparse.c. */
 
 #define quitser pipeser
 
 
 #define quitser pipeser
 

-/* mhparse.c */
-extern int skip_mp_cte_check;                 /* flag to InitMultiPart */
-extern int suppress_bogus_mp_content_warning; /* flag to InitMultiPart */
-extern int bogus_mp_content;                  /* flag from InitMultiPart */
-/* flags to/from parse_header_attrs */
-extern int suppress_extraneous_trailing_semicolon_warning;
-
-/* mhmisc.c */
-void flush_errors (void);
-

 /*
  * static prototypes
  */
 /*
  * static prototypes
  */


@@ -83,8 +78,8 @@ typedef struct fix_transformations {
     char *textcharset;
 } fix_transformations;
 
     char *textcharset;
 } fix_transformations;
 

-int mhfixmsgsbr (CT *, char *, const fix_transformations *, FILE **, char *,
-                 FILE **);
+static int mhfixmsgsbr (CT *, char *, const fix_transformations *,
+    FILE **, char *, FILE **);

 static int fix_boundary (CT *, int *);
 static int copy_input_to_output (const char *, FILE *, const char *, FILE *);
 static int get_multipart_boundary (CT, char **);
 static int fix_boundary (CT *, int *);
 static int copy_input_to_output (const char *, FILE *, const char *, FILE *);
 static int get_multipart_boundary (CT, char **);


@@ -112,7 +107,7 @@ static int should_decode(const char *, const char *, const char *);
 static int content_encoding (CT, const char **);
 static int strip_crs (CT, int *);
 static void update_cte (CT);
 static int content_encoding (CT, const char **);
 static int strip_crs (CT, int *);
 static void update_cte (CT);

-static int least_restrictive_encoding (CT);
+static int least_restrictive_encoding (CT) PURE;

 static int less_restrictive (int, int);
 static int convert_charsets (CT, char *, int *);
 static int fix_always (CT, int *);
 static int less_restrictive (int, int);
 static int convert_charsets (CT, char *, int *);
 static int fix_always (CT, int *);


@@ -121,7 +116,8 @@ static int fix_filename_encoding (CT);
 static int write_content (CT, const char *, char *, FILE *, int, int);
 static void set_text_ctparams(CT, char *, int);
 static int remove_file (const char *);
 static int write_content (CT, const char *, char *, FILE *, int, int);
 static void set_text_ctparams(CT, char *, int);
 static int remove_file (const char *);

-static void report (char *, char *, char *, char *, ...);
+static void report (char *, char *, char *, char *, ...)
+    CHECK_PRINTF(4, 5);

 static void pipeser (int);
 
 
 static void pipeser (int);
 
 


@@ -228,11 +224,10 @@ main (int argc, char **argv) {
                     adios (NULL, "missing argument to %s", argp[-2]);
                 }
                 if (! strncasecmp (cp, "multipart/", 10)  ||
                     adios (NULL, "missing argument to %s", argp[-2]);
                 }
                 if (! strncasecmp (cp, "multipart/", 10)  ||

-                    ! strncasecmp (cp, "message/", 8)) {
+                    ! strncasecmp (cp, "message/", 8))

                     adios (NULL, "-fixtype %s not allowed", cp);
                     adios (NULL, "-fixtype %s not allowed", cp);

-                } else if (! strchr (cp, '/')) {
+                if (! strchr (cp, '/'))

                     adios (NULL, "-fixtype requires type/subtype");
                     adios (NULL, "-fixtype requires type/subtype");

-                }

                 if (fx.fixtypes == NULL) { fx.fixtypes = svector_create (10); }
                 svector_push_back (fx.fixtypes, cp);
                 continue;
                 if (fx.fixtypes == NULL) { fx.fixtypes = svector_create (10); }
                 svector_push_back (fx.fixtypes, cp);
                 continue;


@@ -283,11 +278,9 @@ main (int argc, char **argv) {
             }
         }
         if (*cp == '+' || *cp == '@') {
             }
         }
         if (*cp == '+' || *cp == '@') {

-            if (folder) {
+            if (folder)

                 adios (NULL, "only one folder at a time!");
                 adios (NULL, "only one folder at a time!");

-            } else {
-                folder = pluspath (cp);
-            }
+            folder = pluspath (cp);

         } else {
             if (*cp == '/') {
                 /* Interpret a full path as a filename, not a message. */
         } else {
             if (*cp == '/') {
                 /* Interpret a full path as a filename, not a message. */


@@ -305,12 +298,12 @@ main (int argc, char **argv) {
      * Read the standard profile setup
      */
     if ((fp = fopen (cp = etcpath ("mhn.defaults"), "r"))) {
      * Read the standard profile setup
      */
     if ((fp = fopen (cp = etcpath ("mhn.defaults"), "r"))) {

-        readconfig ((struct node **) 0, fp, cp, 0);
+        readconfig(NULL, fp, cp, 0);

         fclose (fp);
     }
 
         fclose (fp);
     }
 

-    suppress_bogus_mp_content_warning = skip_mp_cte_check = 1;
-    suppress_extraneous_trailing_semicolon_warning = 1;
+    suppress_bogus_mp_content_warning = skip_mp_cte_check = true;
+    suppress_extraneous_trailing_semicolon_warning = true;

 
     if (! context_find ("path")) {
         free (path ("./", TFOLDER));
 
     if (! context_find ("path")) {
         free (path ("./", TFOLDER));


@@ -483,7 +476,10 @@ main (int argc, char **argv) {
 
     if (*cts) {
         for (ctp = cts; *ctp; ++ctp) {
 
     if (*cts) {
         for (ctp = cts; *ctp; ++ctp) {

-            status += mhfixmsgsbr (ctp, maildir, &fx, &infp, outfile, &outfp);
+            status =
+                mhfixmsgsbr (ctp, maildir, &fx, &infp, outfile, &outfp) == OK
+                ? 0
+                : 1;

             free_content (*ctp);
 
             if (using_stdin) {
             free_content (*ctp);
 
             if (using_stdin) {


@@ -499,7 +495,7 @@ main (int argc, char **argv) {
         status = 1;
     }
 
         status = 1;
     }
 

-    mh_xfree(maildir);
+    free(maildir);

     free (cts);
 
     if (fx.fixtypes != NULL) { svector_free (fx.fixtypes); }
     free (cts);
 
     if (fx.fixtypes != NULL) { svector_free (fx.fixtypes); }


@@ -510,7 +506,7 @@ main (int argc, char **argv) {
     free (folder);
     free (arguments);
 
     free (folder);
     free (arguments);
 

-    done (status);
+    done (status == OK ? 0 : 1);

     return NOTOK;
 }
 
     return NOTOK;
 }
 


@@ -518,7 +514,7 @@ main (int argc, char **argv) {
 /*
  * Apply transformations to one message.
  */
 /*
  * Apply transformations to one message.
  */

-int
+static int

 mhfixmsgsbr (CT *ctp, char *maildir, const fix_transformations *fx,
              FILE **infp, char *outfile, FILE **outfp) {
     /* Store input filename in case one of the transformations, i.e.,
 mhfixmsgsbr (CT *ctp, char *maildir, const fix_transformations *fx,
              FILE **infp, char *outfile, FILE **outfp) {
     /* Store input filename in case one of the transformations, i.e.,


@@ -814,7 +810,7 @@ replace_boundary (CT ct, char *file, char *boundary) {
     int compnum, state;
     char buf[NMH_BUFSIZ], name[NAMESZ];
     char *np, *vp;
     int compnum, state;
     char buf[NMH_BUFSIZ], name[NAMESZ];
     char *np, *vp;

-    m_getfld_state_t gstate = 0;
+    m_getfld_state_t gstate;

     int status = OK;
 
     if (ct->c_file == NULL) {
     int status = OK;
 
     if (ct->c_file == NULL) {


@@ -833,10 +829,11 @@ replace_boundary (CT ct, char *file, char *boundary) {
         return NOTOK;
     }
 
         return NOTOK;
     }
 

+    gstate = m_getfld_state_init(fpin);

     for (compnum = 1;;) {
         int bufsz = (int) sizeof buf;
 
     for (compnum = 1;;) {
         int bufsz = (int) sizeof buf;
 

-        switch (state = m_getfld (&gstate, name, buf, &bufsz, fpin)) {
+        switch (state = m_getfld2(&gstate, name, buf, &bufsz)) {

         case FLD:
         case FLDPLUS:
             compnum++;
         case FLD:
         case FLDPLUS:
             compnum++;


@@ -848,7 +845,7 @@ replace_boundary (CT ct, char *file, char *boundary) {
             /* if necessary, get rest of field */
             while (state == FLDPLUS) {
                 bufsz = sizeof buf;
             /* if necessary, get rest of field */
             while (state == FLDPLUS) {
                 bufsz = sizeof buf;

-                state = m_getfld (&gstate, name, buf, &bufsz, fpin);
+                state = m_getfld2(&gstate, name, buf, &bufsz);

                 vp = add (buf, vp);     /* add to previous value */
             }
 
                 vp = add (buf, vp);     /* add to previous value */
             }
 


@@ -863,13 +860,13 @@ replace_boundary (CT ct, char *file, char *boundary) {
 
                new_ctline = concat(" ", ct->c_ctinfo.ci_type, "/",
                                    ct->c_ctinfo.ci_subtype, NULL);
 
                new_ctline = concat(" ", ct->c_ctinfo.ci_type, "/",
                                    ct->c_ctinfo.ci_subtype, NULL);

-               new_params = output_params(strlen(TYPE_FIELD) +
+               new_params = output_params(LEN(TYPE_FIELD) +

                                           strlen(new_ctline) + 1,
                                           ct->c_ctinfo.ci_first_pm, NULL, 0);
                 fprintf (fpout, "%s:%s%s\n", np, new_ctline,
                         FENDNULL(new_params));
                free(new_ctline);
                                           strlen(new_ctline) + 1,
                                           ct->c_ctinfo.ci_first_pm, NULL, 0);
                 fprintf (fpout, "%s:%s%s\n", np, new_ctline,
                         FENDNULL(new_params));
                free(new_ctline);

-                mh_xfree(new_params);
+                free(new_params);

             }
 
             free (vp);
             }
 
             free (vp);


@@ -1117,12 +1114,12 @@ fix_composite_cte (CT ct, int *message_mods) {
 
             for (hf = ct->c_first_hf; hf; hf = hf->next) {
                 char *name = hf->name;
 
             for (hf = ct->c_first_hf; hf; hf = hf->next) {
                 char *name = hf->name;

-                for (; *name && isspace ((unsigned char) *name); ++name) {
+                for (; isspace((unsigned char)*name); ++name) {

                     continue;
                 }
 
                 if (! strncasecmp (name, ENCODING_FIELD,
                     continue;
                 }
 
                 if (! strncasecmp (name, ENCODING_FIELD,

-                                   strlen (ENCODING_FIELD))) {
+                                   LEN(ENCODING_FIELD))) {

                     char *prefix = "Nmh-REPLACED-INVALID-";
                     HF h;
 
                     char *prefix = "Nmh-REPLACED-INVALID-";
                     HF h;
 


@@ -1745,8 +1742,7 @@ build_multipart_alt (CT first_alt, CT new_part, int type, int subtype) {
                      boundary_in_content (&new_part->c_cefile.ce_fp,
                                           new_part->c_cefile.ce_file,
                                           boundary)) == NOTOK) {
                      boundary_in_content (&new_part->c_cefile.ce_fp,
                                           new_part->c_cefile.ce_file,
                                           boundary)) == NOTOK) {

-                    free_content (ct);
-                    return NULL;
+                    goto return_null;

                 }
             }
 
                 }
             }
 


@@ -1757,8 +1753,7 @@ build_multipart_alt (CT first_alt, CT new_part, int type, int subtype) {
                      boundary_in_content (&new_part->c_fp,
                                           new_part->c_file,
                                           boundary)) == NOTOK) {
                      boundary_in_content (&new_part->c_fp,
                                           new_part->c_file,
                                           boundary)) == NOTOK) {

-                    free_content (ct);
-                    return NULL;
+                    goto return_null;

                 }
             }
 
                 }
             }
 


@@ -1778,8 +1773,7 @@ build_multipart_alt (CT first_alt, CT new_part, int type, int subtype) {
 
         if (found_boundary) {
             inform("giving up trying to find a unique boundary");
 
         if (found_boundary) {
             inform("giving up trying to find a unique boundary");

-            free_content (ct);
-            return NULL;
+            goto return_null;

         }
     }
 
         }
     }
 


@@ -1824,6 +1818,11 @@ build_multipart_alt (CT first_alt, CT new_part, int type, int subtype) {
     free (boundary);
 
     return ct;
     free (boundary);
 
     return ct;

+
+return_null:
+    free_content(ct);
+    free(boundary);
+    return NULL;

 }
 
 
 }
 
 


@@ -1865,7 +1864,7 @@ transfer_noncontent_headers (CT old, CT new) {
     while (hp) {
         HF next = hp->next;
 
     while (hp) {
         HF next = hp->next;
 

-        if (strncasecmp (XXX_FIELD_PRF, hp->name, strlen (XXX_FIELD_PRF))) {
+        if (strncasecmp (XXX_FIELD_PRF, hp->name, LEN(XXX_FIELD_PRF))) {

             if (hp == old->c_last_hf) {
                 if (hp == old->c_first_hf) {
                     old->c_last_hf =  old->c_first_hf = NULL;
             if (hp == old->c_last_hf) {
                 if (hp == old->c_first_hf) {
                     old->c_last_hf =  old->c_first_hf = NULL;


@@ -2293,13 +2292,14 @@ strip_crs (CT ct, int *message_mods) {
                     inform("unable to write temporary file %s, continuing...",
                               stripped_content_file);
                     (void) m_unlink (stripped_content_file);
                     inform("unable to write temporary file %s, continuing...",
                               stripped_content_file);
                     (void) m_unlink (stripped_content_file);

+                    free(stripped_content_file);

                     status = NOTOK;
                 } else {
                     /* Replace the decoded file with the converted one. */
                     if (ct->c_cefile.ce_file && ct->c_cefile.ce_unlink)
                         (void) m_unlink (ct->c_cefile.ce_file);
 
                     status = NOTOK;
                 } else {
                     /* Replace the decoded file with the converted one. */
                     if (ct->c_cefile.ce_file && ct->c_cefile.ce_unlink)
                         (void) m_unlink (ct->c_cefile.ce_file);
 

-                    mh_xfree(ct->c_cefile.ce_file);
+                    free(ct->c_cefile.ce_file);

                     ct->c_cefile.ce_file = stripped_content_file;
                     ct->c_cefile.ce_unlink = 1;
 
                     ct->c_cefile.ce_file = stripped_content_file;
                     ct->c_cefile.ce_unlink = 1;
 


@@ -2713,7 +2713,7 @@ write_content (CT ct, const char *input_filename, char *outfile, FILE *outfp,
                     }
                 } else {
                     inform("unable to remove input file %s, "
                     }
                 } else {
                     inform("unable to remove input file %s, "

-                       "not modifying it, continuing...", infile);
+                        "not modifying it, continuing...", infile);

                     (void) m_unlink (outfile);
                     status = NOTOK;
                 }
                     (void) m_unlink (outfile);
                     status = NOTOK;
                 }