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Diffstat (limited to 'man3/getline.3')
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diff --git a/man3/getline.3 b/man3/getline.3 deleted file mode 100644 index 991993e..0000000 --- a/man3/getline.3 +++ /dev/null @@ -1,182 +0,0 @@ -'\" t -.\" Copyright (c) 2001 John Levon <moz@compsoc.man.ac.uk> -.\" Based in part on GNU libc documentation -.\" -.\" SPDX-License-Identifier: Linux-man-pages-copyleft -.\" -.TH getline 3 2023-10-31 "Linux man-pages 6.7" -.SH NAME -getline, getdelim \- delimited string input -.SH LIBRARY -Standard C library -.RI ( libc ", " \-lc ) -.SH SYNOPSIS -.nf -.B #include <stdio.h> -.P -.BI "ssize_t getline(char **restrict " lineptr ", size_t *restrict " n , -.BI " FILE *restrict " stream ); -.BI "ssize_t getdelim(char **restrict " lineptr ", size_t *restrict " n , -.BI " int " delim ", FILE *restrict " stream ); -.fi -.P -.RS -4 -Feature Test Macro Requirements for glibc (see -.BR feature_test_macros (7)): -.RE -.P -.BR getline (), -.BR getdelim (): -.nf - Since glibc 2.10: - _POSIX_C_SOURCE >= 200809L - Before glibc 2.10: - _GNU_SOURCE -.fi -.SH DESCRIPTION -.BR getline () -reads an entire line from \fIstream\fP, -storing the address of the buffer containing the text into -.IR *lineptr . -The buffer is null-terminated and includes the newline character, if -one was found. -.P -If -.I *lineptr -is set to NULL before the call, then -.BR getline () -will allocate a buffer for storing the line. -This buffer should be freed by the user program -even if -.BR getline () -failed. -.P -Alternatively, before calling -.BR getline (), -.I *lineptr -can contain a pointer to a -.BR malloc (3)\-allocated -buffer -.I *n -bytes in size. -If the buffer is not large enough to hold the line, -.BR getline () -resizes it with -.BR realloc (3), -updating -.I *lineptr -and -.I *n -as necessary. -.P -In either case, on a successful call, -.I *lineptr -and -.I *n -will be updated to reflect the buffer address and allocated size respectively. -.P -.BR getdelim () -works like -.BR getline (), -except that a line delimiter other than newline can be specified as the -.I delimiter -argument. -As with -.BR getline (), -a delimiter character is not added if one was not present -in the input before end of file was reached. -.SH RETURN VALUE -On success, -.BR getline () -and -.BR getdelim () -return the number of characters read, including the delimiter character, -but not including the terminating null byte (\[aq]\e0\[aq]). -This value can be used -to handle embedded null bytes in the line read. -.P -Both functions return \-1 on failure to read a line (including end-of-file -condition). -In the event of a failure, -.I errno -is set to indicate the error. -.P -If -.I *lineptr -was set to NULL before the call, then the buffer should be freed by the -user program even on failure. -.SH ERRORS -.TP -.B EINVAL -Bad arguments -.RI ( n -or -.I lineptr -is NULL, or -.I stream -is not valid). -.TP -.B ENOMEM -Allocation or reallocation of the line buffer failed. -.SH ATTRIBUTES -For an explanation of the terms used in this section, see -.BR attributes (7). -.TS -allbox; -lbx lb lb -l l l. -Interface Attribute Value -T{ -.na -.nh -.BR getline (), -.BR getdelim () -T} Thread safety MT-Safe -.TE -.SH STANDARDS -POSIX.1-2008. -.SH HISTORY -GNU, POSIX.1-2008. -.SH EXAMPLES -.\" SRC BEGIN (getline.c) -.EX -#define _GNU_SOURCE -#include <stdio.h> -#include <stdlib.h> -\& -int -main(int argc, char *argv[]) -{ - FILE *stream; - char *line = NULL; - size_t len = 0; - ssize_t nread; -\& - if (argc != 2) { - fprintf(stderr, "Usage: %s <file>\en", argv[0]); - exit(EXIT_FAILURE); - } -\& - stream = fopen(argv[1], "r"); - if (stream == NULL) { - perror("fopen"); - exit(EXIT_FAILURE); - } -\& - while ((nread = getline(&line, &len, stream)) != \-1) { - printf("Retrieved line of length %zd:\en", nread); - fwrite(line, nread, 1, stdout); - } -\& - free(line); - fclose(stream); - exit(EXIT_SUCCESS); -} -.EE -.\" SRC END -.SH SEE ALSO -.BR read (2), -.BR fgets (3), -.BR fopen (3), -.BR fread (3), -.BR scanf (3) |