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Side by Side Diff: fusl/src/stdlib/atol.c

Issue 1573973002: Add a "fork" of musl as //fusl. (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Created 4 years, 11 months ago
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1 #include <stdlib.h>
2 #include <ctype.h>
3
4 long atol(const char *s)
5 {
6 long n=0;
7 int neg=0;
8 while (isspace(*s)) s++;
9 switch (*s) {
10 case '-': neg=1;
11 case '+': s++;
12 }
13 /* Compute n as a negative number to avoid overflow on LONG_MIN */
14 while (isdigit(*s))
15 n = 10*n - (*s++ - '0');
16 return neg ? n : -n;
17 }
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