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Fix warnings

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This change fixes Cosmopolitan so it has fewer opinions about compiler
warnings. The whole repository had to be cleaned up to be buildable in
-Werror -Wall mode. This lets us benefit from things like strict const
checking. Some actual bugs might have been caught too.
This commit is contained in:
Justine Tunney 2023-09-01 20:49:13 -07:00
parent e2b3c3618e
commit 0d748ad58e
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GPG key ID: BE714B4575D6E328
571 changed files with 1306 additions and 1888 deletions
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10
libc/elf/getelfstring.c
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@ -39,10 +39,10 @@
* 3. a nul byte wasn't present within `[strtab+i,elf+mapsize)`, or
* 4. an arithmetic overflow occurred
*/
const char *GetElfString(const Elf64_Ehdr *elf, // validated
size_t mapsize, // validated
const char *strtab, // validated
Elf64_Word i) { // foreign
char *GetElfString(const Elf64_Ehdr *elf, // validated
size_t mapsize, // validated
const char *strtab, // validated
Elf64_Word i) { // foreign
const char *e;
if (!i) return "";
e = (const char *)elf;
@ -50,5 +50,5 @@ const char *GetElfString(const Elf64_Ehdr *elf, // validated
if (i >= mapsize) return 0;
if (strtab + i >= e + mapsize) return 0;
if (!memchr(strtab + i, 0, (e + mapsize) - (strtab + i))) return 0;
return (const char *)strtab + i;
return (char *)strtab + i;
}