FreeCalypso > hg > freecalypso-tools

annotate target-utils/libc/strncmp.c @ 166:2e1be0fc150e

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
fc-tmsh: ETM_AUDIO commands are just aul/aus/aur/auw, not audio <subcmd>
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 19 Mar 2017 17:17:57 +0000
parents 7fb62fc724dc
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
87
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * Compare strings (at most n bytes): s1>s2: >0 s1==s2: 0 s1<s2: <0
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 */
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 strncmp(s1, s2, n)
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 register char *s1, *s2;
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 register n;
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 {
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 while (--n >= 0 && *s1 == *s2++)
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 if (*s1++ == '\0')
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 return(0);
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 return(n<0 ? 0 : *s1 - *--s2);
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 }