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7c711691b3
Clang 16 has a new error about incompatible function types, which shows
up when building mail/panda-cclient:
news.c:370:36: error: incompatible function pointer types passing 'int (struct dirent *)' to parameter of type 'int (*)(const struct dirent *)' [-Wincompatible-function-pointer-types]
if ((nmsgs = scandir (tmp,&names,news_select,news_numsort)) >= 0) {
^~~~~~~~~~~
/usr/include/dirent.h:127:12: note: passing argument to parameter here
int (*)(const struct dirent *), int (*)(const struct dirent **,
^
news.c:370:48: error: incompatible function pointer types passing 'int (const void *, const void *)' to parameter of type 'int (*)(const struct dirent **, const struct dirent **)' [-Wincompatible-function-pointer-types]
if ((nmsgs = scandir (tmp,&names,news_select,news_numsort)) >= 0) {
^~~~~~~~~~~~
/usr/include/dirent.h:127:44: note: passing argument to parameter here
int (*)(const struct dirent *), int (*)(const struct dirent **,
^
This is because the prototypes for the scandir(3) 'select' and 'compar'
callback function parameters do not match the declarations in
<dirent.h>. The same occurs in a few other files under src/osdep/unix.
Fix these by using the correct parameter types for the callback functions.
PR: 271539
Approved by: thierry (maintainer)
MFH: 2023Q2
35 lines
1.2 KiB
C
35 lines
1.2 KiB
C
--- src/osdep/unix/mx.c.orig 2022-04-17 00:12:02 UTC
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+++ src/osdep/unix/mx.c
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@@ -98,8 +98,8 @@ long mx_append_msg (MAILSTREAM *stream,char *flags,MES
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long mx_append_msg (MAILSTREAM *stream,char *flags,MESSAGECACHE *elt,
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STRING *st,SEARCHSET *set);
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-int mx_select (struct direct *name);
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-int mx_numsort (const void *d1,const void *d2);
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+int mx_select (const struct direct *name);
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+int mx_numsort (const struct direct **d1,const struct direct **d2);
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char *mx_file (char *dst,char *name);
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long mx_lockindex (MAILSTREAM *stream);
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void mx_unlockindex (MAILSTREAM *stream);
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@@ -1110,7 +1110,7 @@ long mx_append_msg (MAILSTREAM *stream,char *flags,MES
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* Returns: T to use file name, NIL to skip it
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*/
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-int mx_select (struct direct *name)
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+int mx_select (const struct direct *name)
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{
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char c;
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char *s = name->d_name;
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@@ -1125,10 +1125,9 @@ int mx_select (struct direct *name)
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* Returns: negative if d1 < d2, 0 if d1 == d2, postive if d1 > d2
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*/
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-int mx_numsort (const void *d1,const void *d2)
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+int mx_numsort (const struct direct **d1,const struct direct **d2)
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{
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- return atoi ((*(struct direct **) d1)->d_name) -
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- atoi ((*(struct direct **) d2)->d_name);
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+ return atoi ((*d1)->d_name) - atoi ((*d2)->d_name);
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}
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