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author | Alon Zakai <alonzakai@gmail.com> | 2014-04-07 17:39:39 -0700 |
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committer | Alon Zakai <alonzakai@gmail.com> | 2014-04-07 17:39:39 -0700 |
commit | d93fd8156ba2530d5ff12caaf9b0eaf557f60de5 (patch) | |
tree | 1f14dcda503ae7ad02be897b0c458abbf699a92a /system/lib/libc/musl/src/stdlib/atol.c | |
parent | d19741ee04ee2c87af48c22902afdc06c22f4aac (diff) | |
parent | a04fd2a2c6110b5c7f65c1d993a582fb12e505e4 (diff) |
Merge pull request #2256 from juj/more_musl1.14.1
More musl.
Diffstat (limited to 'system/lib/libc/musl/src/stdlib/atol.c')
-rw-r--r-- | system/lib/libc/musl/src/stdlib/atol.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/system/lib/libc/musl/src/stdlib/atol.c b/system/lib/libc/musl/src/stdlib/atol.c new file mode 100644 index 00000000..140ea3ea --- /dev/null +++ b/system/lib/libc/musl/src/stdlib/atol.c @@ -0,0 +1,17 @@ +#include <stdlib.h> +#include <ctype.h> + +long atol(const char *s) +{ + long n=0; + int neg=0; + while (isspace(*s)) s++; + switch (*s) { + case '-': neg=1; + case '+': s++; + } + /* Compute n as a negative number to avoid overflow on LONG_MIN */ + while (isdigit(*s)) + n = 10*n - (*s++ - '0'); + return neg ? n : -n; +} |